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Free HTTP Tutorials

Quick reference to HTTP headersThis document lists all the message headers defined in the HTTP/1.1 protocol, with short descriptions. In the list, the name of the header is a link to its definition in the protocol itself.

HTTP Made Really EasyThis tutorial explains the simple, English-based structure of HTTP communication, and teaches you the practical details of writing HTTP clients and servers. It assumes you know basic socket programming

The Original HTTP as defined in 1991This document defines the Hypertext Transfer protocol (HTTP) as originally implemented by the World Wide Web initaitive software in the prototype released. This is a subset of the full HTTP protocol, and is known as HTTP 0.9.

Basic HTTP as defined in 1992This document is a hyperlinked Internet Draft. This is a historic document and is not accurate anymore (but still interesting nonetheless)